Skip to content
EQ Logo - ERQOS
  • EQSP32
  • Products
  • Resources
    • Downloads
    • Manuals
      • EQSP32 Manual – IIoT Logic Controller
      • EQXIO Manual – I/O expansion module
      • EQXAI Manual – Analog input expansion module
      • EQXPT Manual – RTD sensor expansion module
      • EQXRA Manual – Relay and analog out expansion module
      • EQXHI Manual – High-voltage isolated input expansion module
      • EQXTC Manual – Thermocouple expansion module
      • EQXPH Manual – pH sensor expansion module
      • EQX2G Manual – Quad-band GSM/GPRS cellular expansion module
    • Quickstart guide
    • Tutorials
    • Agentic HIL
    • OpenPLC
    • EQ-AI code assistant
    • EQConnect
    • EQVersal I/O
    • Can your PLC do this?
    • Compare Features
    • CE / EU Declaration of Conformity
  • Application Blog
  • Integration Services
  • About
  • Contact
0,00 € 0 Cart
Smart reverse osmosis (RO) water purification system with EQSP32 industrial IoT controller for automated monitoring, pump and valve control, and real-time water quality management.

Smart Reverse Osmosis Control with the EQSP32 IoT Controller

September 29, 2025
by Erqos Team with No Comment Application Example

Smart Reverse Osmosis control with EQSP32: integrate sensors, automate pumps & flushing, and monitor your RO skid in real time via IoT cloud.

Read More
Node-RED dashboard and EQSP32 IoT controller connected via an MQTT broker for monitoring and control. Shows bidirectional communication with MQTT topics powering automation dashboards.

Seamless IIoT Node-RED and EQSP32 PLC Integration: Real-Time Monitoring and Control over MQTT

September 27, 2025
by Ermis Stouraitis with No Comment DemosTutorial

Integrate the EQSP32 industrial ESP32 PLC with Node-RED over MQTT to build real-time automations and dashboards, for monitoring and control, with minimal code.

Read More
Smart pool automation using EQSP32 ESP32-based IIoT PLC, providing energy-saving control of pumps, lights, water temperature monitoring, and pH measurement in modern residential and commercial swimming pools.

Smart Pool Automation with Energy-Saving Logic Powered by the EQSP32 IoT PLC

August 26, 2025
by Erqos Team with No Comment Application Example

EQSP32 PLC as a smart pool controller automating pumps, lights & monitoring pH with energy-saving logic, IoT dashboards & room for future expansion.

Read More
Illustration comparing Arduino OTA and Web OTA firmware update methods on the EQSP32 industrial ESP32-based micro-PLC IIoT controller. The image shows a laptop with Arduino IDE labeled “Arduino OTA” on the left and a web browser update window labeled “Web OTA” on the right, under the title “Over-the-Air Updates.”

Industrial ESP32 PLC Over-the-Air Updates (OTA): How to Wirelessly Update EQSP32 Firmware

August 26, 2025
by Ermis Stouraitis with No Comment Application NoteTutorial

Perform password-protected Over-the-Air Updates (OTA) on EQSP32 industrial ESP32 micro-PLC using Arduino OTA or the built-in Web Maintenance Panel (port 8000).

Read More
Web server solutions using the EQSP32 IoT PLC. Wifi provisioning, monitoring and control offering a clean, license free solution running on any local network.

How to build a local web server UI for your IoT automation — Featuring the EQSP32 IIoT PLC

July 7, 2025
by Ermis Stouraitis with No Comment Application NoteTutorial

Learn how to build web server UI dashboards with EQSP32 IoT PLC for real-time industrial and commercial IoT automations and monitoring.

Read More
Featured image showing rooftop solar panels, a smartphone dashboard, and an EQSP32 industrial IoT PLC mounted on DIN rail, highlighting zero-export solar control capabilities.

Zero-Export Solar Control with the EQSP32 IIoT micro-PLC

June 17, 2025
by Erqos Team with No Comment Application Example

Stay grid-compliant and capture every watt: EQSP32 DIN-rail PLC teams with Modbus RTU meters & Modbus-TCP inverters for zero-export solar and cloud dashboards.

Read More
Industrial temperatures

Thermocouples vs. RTDs — Choosing the Right Temperature Sensor for Your Application

February 17, 2025
by Ermis Stouraitis with No Comment Educational

Learn the key parameters for choosing between thermocouples and RTD sensors for consumer or industrial automations. Integrate seamlessly with EQXTC & EQXPT.

Read More
Solar water heater application example cover image.

Smart Solar Water Heater with Home Assistant Integration

June 26, 2024
by Erqos Team with No Comment Application Example

Implement a smart solar water heater system using the EQSP32 IIoT controller and integrate it with Home Assistant for efficient monitoring and control.

Read More
Weather Aware Smart Irrigation System

Smart Agricultural and Lawn Irrigation IoT System

June 21, 2024
by Erqos Team with No Comment Application Example

Smart irrigation IoT system with EQSP32 controllers. Automatically adjust to weather, save energy and water, and enhance plant growth with remote management.

Read More

Enable MQTT discovery (Industrial ESP32 IoT Controller)

June 18, 2024
by Ermis Stouraitis with No Comment Tutorial

Enable MQTT discovery for EQSP32 and integrate it with Home Assistant.

Read More
  • 1
  • 2
  • Next
  • Last

Open by design. Industrial by nature.

Subscribe to our newsletter

Don’t miss our major updates and milestones

Let's get social

Stay tuned to our casual updates and demos

Facebook-f Icon-twitter-1 Icon-youtube-feed Icon-instagram-2 Icon-linkedin-1

Industrial IoT controllers designed for
professionals who need reliability,
connectivity, and speed to market.

Read our full story.

info@erqos.com
Data Protection
Terms & Conditions
Return & Refund Policy

Copyright © 2026 Erqos Technologies. All rights reserved.

Shopping Basket
✕

Contact us for Availability